30872985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 59754240

約数和(自身を除く): 28881255

約数列:

[1, 3, 5, 11, 13, 15, 33, 37, 39, 55, 65, 111, 143, 165, 185, 195, 389, 407, 429, 481, 555, 715, 1167, 1221, 1443, 1945, 2035, 2145, 2405, 4279, 5057, 5291, 5835, 6105, 7215, 12837, 14393, 15171, 15873, 21395, 25285, 26455, 43179, 55627, 64185, 71965, 75855, 79365, 158323, 166881, 187109, 215895, 278135, 474969, 561327, 791615, 834405, 935545, 2058199, 2374845, 2806635, 6174597, 10290995, 30872985]

約数ペア:

[(1, 30872985), (3, 10290995), (5, 6174597), (11, 2806635), (13, 2374845), (15, 2058199), (33, 935545), (37, 834405), (39, 791615), (55, 561327), (65, 474969), (111, 278135), (143, 215895), (165, 187109), (185, 166881), (195, 158323), (389, 79365), (407, 75855), (429, 71965), (481, 64185), (555, 55627), (715, 43179), (1167, 26455), (1221, 25285), (1443, 21395), (1945, 15873), (2035, 15171), (2145, 14393), (2405, 12837), (4279, 7215), (5057, 6105), (5291, 5835)]